APA Style

Dahl, Roald. (1977). The woderful world of Henry Sugar and six more . London: Penguin Books.

Chicago Style

Dahl, Roald. The woderful world of Henry Sugar and six more. London: Penguin Books, 1977. Text.

MLA Style

Dahl, Roald. The woderful world of Henry Sugar and six more. London: Penguin Books, 1977. Text.

Turabian Style

Dahl, Roald. The woderful world of Henry Sugar and six more. London: Penguin Books, 1977. Print.